ASTM-E83 › Historical Revision Information
Standard Practice for Verification and Classification of Extensometer Systems
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Scope
1.1 This practice covers procedures for the verification and classification of extensometer systems, but it is not intended to be a complete purchase specification. The practice is applicable only to instruments that indicate or record values that are proportional to changes in length corresponding to either tensile or compressive strain. Extensometer systems are classified on the basis of the magnitude of their errors.
1.2 Because strain is a dimensionless quantity, this document can be used for extensometers based on either SI or US customary units of displacement.
Note 1—Bonded resistance strain gages directly bonded to a specimen cannot be calibrated or verified with the apparatus described in this practice for the verification of extensometers having definite gage points. (See procedures as described in Test Methods E251.)1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
extensometers
To find similar documents by ASTM Volume:
03.01 (Metals -- Mechanical Testing; Elevated and Low-Temperature Tests; Metallography)
To find similar documents by classification:
19.060 (Mechanical testing Including testing equipment Mechanical testing of metals, see 77.040.10)
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Document Number
ASTM-E83
Revision Level
DOD ADOPTION
Status
Superseded
Modification Type
Revision
Publication Date
July 27, 1990
Document Type
Practice
Page Count
1 page
Committee Number
E28.01